exports.getItems = function () {  //id字符串后面要加空格  懒得改了
  return [{
    id: 'ITEM0001 ',
    name: '黄焖鸡',
    price: 18
  }, {
    id: 'ITEM0013 ',
    name: '肉夹馍',
    price: 6
  }, {
    id: 'ITEM0022 ',
    name: '凉皮',
    price: 8
  }];
}
